답안 #574552

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
574552 2022-06-08T19:10:39 Z valerikk 커다란 상품 (IOI17_prize) C++17
90 / 100
124 ms 11316 KB
#include "prize.h"
#include <bits/stdc++.h>
 
using namespace std;
 
mt19937 rnd(239);
 
namespace {
 
int mx_cnt;
 
}
 
vector<vector<int>> mem;
 
vector<int> mask(int i) {
	return mem[i] == vector<int>{-1, -1} ? mem[i] = ask(i) : mem[i];
}
 
int solve(int l, int r) {
	if (l > r) 
		return -1;
 
	if (l == r) {
		auto a = mask(l);
		if (a[0] + a[1] == 0)
			return l;
		return -1;
	}
 
	auto al = mask(l);
	auto ar = mask(r);
 
	if (al[0] + al[1] == 0)
		return l;
	if (ar[0] + ar[1] == 0)
		return r;
 
	if (al[0] + al[1] == ar[0] + ar[1] && al[0] == ar[0]) 
		return -1;
 
	int m = (l + r) / 2;
 
	int res = solve(l, m);
	if (res == -1)
		res = solve(m + 1, r);
	return res;
}	
 
int find_best(int n) {
	mem.resize(n, vector<int>{-1, -1});
	return solve(0, n - 1);
}

Compilation message

prize.cpp:10:5: warning: '{anonymous}::mx_cnt' defined but not used [-Wunused-variable]
   10 | int mx_cnt;
      |     ^~~~~~
# 결과 실행 시간 메모리 Grader output
1 Correct 13 ms 11216 KB Output is correct
2 Correct 14 ms 11176 KB Output is correct
3 Correct 14 ms 11288 KB Output is correct
4 Correct 11 ms 11172 KB Output is correct
5 Correct 13 ms 11216 KB Output is correct
6 Correct 12 ms 11188 KB Output is correct
7 Correct 11 ms 11168 KB Output is correct
8 Correct 11 ms 11216 KB Output is correct
9 Correct 12 ms 11168 KB Output is correct
10 Correct 11 ms 11216 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 13 ms 11160 KB Output is correct
2 Correct 11 ms 11168 KB Output is correct
3 Correct 11 ms 11176 KB Output is correct
4 Correct 12 ms 11172 KB Output is correct
5 Correct 13 ms 11168 KB Output is correct
6 Correct 12 ms 11164 KB Output is correct
7 Correct 11 ms 11180 KB Output is correct
8 Correct 15 ms 11168 KB Output is correct
9 Correct 11 ms 11168 KB Output is correct
10 Correct 12 ms 11208 KB Output is correct
11 Correct 14 ms 11168 KB Output is correct
12 Correct 11 ms 11208 KB Output is correct
13 Correct 17 ms 11176 KB Output is correct
14 Correct 4 ms 1360 KB Output is correct
15 Correct 22 ms 11228 KB Output is correct
16 Partially correct 39 ms 11156 KB Partially correct - number of queries: 6733
17 Correct 11 ms 11160 KB Output is correct
18 Partially correct 124 ms 11168 KB Partially correct - number of queries: 8132
19 Correct 12 ms 11176 KB Output is correct
20 Correct 13 ms 5800 KB Output is correct
21 Correct 23 ms 11176 KB Output is correct
22 Correct 22 ms 11208 KB Output is correct
23 Correct 11 ms 11172 KB Output is correct
24 Correct 14 ms 11164 KB Output is correct
25 Correct 49 ms 11172 KB Output is correct
26 Correct 44 ms 11156 KB Output is correct
27 Correct 12 ms 11164 KB Output is correct
28 Partially correct 65 ms 11172 KB Partially correct - number of queries: 6947
29 Partially correct 60 ms 11176 KB Partially correct - number of queries: 5415
30 Partially correct 68 ms 11176 KB Partially correct - number of queries: 8071
31 Correct 12 ms 11216 KB Output is correct
32 Correct 18 ms 11172 KB Output is correct
33 Correct 0 ms 208 KB Output is correct
34 Correct 40 ms 11176 KB Output is correct
35 Correct 13 ms 11164 KB Output is correct
36 Correct 26 ms 11164 KB Output is correct
37 Correct 13 ms 11172 KB Output is correct
38 Correct 12 ms 11168 KB Output is correct
39 Correct 40 ms 11168 KB Output is correct
40 Partially correct 65 ms 11172 KB Partially correct - number of queries: 7041
41 Correct 35 ms 11208 KB Output is correct
42 Correct 49 ms 11200 KB Output is correct
43 Correct 42 ms 11172 KB Output is correct
44 Correct 38 ms 11176 KB Output is correct
45 Correct 20 ms 11176 KB Output is correct
46 Correct 12 ms 11172 KB Output is correct
47 Correct 41 ms 11160 KB Output is correct
48 Partially correct 64 ms 11160 KB Partially correct - number of queries: 5788
49 Correct 16 ms 11172 KB Output is correct
50 Partially correct 46 ms 11152 KB Partially correct - number of queries: 8123
51 Correct 36 ms 11216 KB Output is correct
52 Correct 11 ms 11176 KB Output is correct
53 Correct 12 ms 11160 KB Output is correct
54 Correct 41 ms 11172 KB Output is correct
55 Correct 15 ms 11216 KB Output is correct
56 Partially correct 91 ms 11216 KB Partially correct - number of queries: 8127
57 Partially correct 54 ms 11172 KB Partially correct - number of queries: 5705
58 Partially correct 34 ms 11172 KB Partially correct - number of queries: 5802
59 Correct 47 ms 11208 KB Output is correct
60 Correct 28 ms 11316 KB Output is correct
61 Correct 14 ms 11204 KB Output is correct
62 Correct 12 ms 11216 KB Output is correct
63 Correct 13 ms 11172 KB Output is correct
64 Correct 12 ms 11208 KB Output is correct
65 Correct 12 ms 11252 KB Output is correct
66 Correct 14 ms 11180 KB Output is correct
67 Correct 12 ms 11168 KB Output is correct
68 Correct 11 ms 11168 KB Output is correct
69 Correct 11 ms 11216 KB Output is correct
70 Correct 14 ms 11216 KB Output is correct
71 Partially correct 84 ms 11216 KB Partially correct - number of queries: 8104
72 Correct 17 ms 11176 KB Output is correct
73 Partially correct 87 ms 11156 KB Partially correct - number of queries: 7999
74 Partially correct 74 ms 11216 KB Partially correct - number of queries: 8044
75 Correct 14 ms 11272 KB Output is correct
76 Partially correct 64 ms 11252 KB Partially correct - number of queries: 7024
77 Partially correct 46 ms 11256 KB Partially correct - number of queries: 8114
78 Correct 21 ms 11172 KB Output is correct
79 Correct 54 ms 11168 KB Output is correct
80 Partially correct 79 ms 11216 KB Partially correct - number of queries: 8110
81 Partially correct 74 ms 11216 KB Partially correct - number of queries: 8110
82 Partially correct 90 ms 11216 KB Partially correct - number of queries: 8036
83 Correct 13 ms 11216 KB Output is correct
84 Partially correct 38 ms 11176 KB Partially correct - number of queries: 6790
85 Partially correct 62 ms 11276 KB Partially correct - number of queries: 8107
86 Correct 25 ms 11244 KB Output is correct
87 Correct 14 ms 11216 KB Output is correct
88 Correct 23 ms 11216 KB Output is correct
89 Correct 23 ms 11216 KB Output is correct
90 Correct 15 ms 11216 KB Output is correct
91 Correct 14 ms 11216 KB Output is correct
92 Correct 14 ms 11240 KB Output is correct
93 Correct 17 ms 11256 KB Output is correct
94 Correct 17 ms 11216 KB Output is correct
95 Correct 18 ms 11232 KB Output is correct
96 Correct 16 ms 11196 KB Output is correct
97 Correct 11 ms 11248 KB Output is correct